Choose another country or region to see content specific to your location and shop online.

Air quality in Connaught

Air quality index (AQI⁺) and PM2.5 air pollution in Connaught • 23:48, Jun 21

Live most polluted city ranking

Real-time Connaught most polluted city ranking

#	Cities	AQI⁺ US
1	Galway	25
2	Roscommon	22
3	Carrick-On-Shannon	20
4	Claremorris	18
5	Gaillimh	18
6	Sligo	18
7	Castlebar	17
8	Ballina	13
9	Westport	12
10	Athenry	8

Live cleanest city ranking

Real-time Connaught cleanest city ranking

#	Cities	AQI⁺ US
1	Athenry	8
2	Westport	12
3	Ballina	13
4	Castlebar	17
5	Claremorris	18
6	Gaillimh	18
7	Sligo	18
8	Carrick-On-Shannon	20
9	Roscommon	22
10	Galway	25

wildfire at night

Wildfire Map Spotlight: Lost Fire, California

Heatwave Map Spotlight: South Asia

Wildfire on a mountain

Wildfire Map Spotlight: Kane Springs Fire and Grapevine Fire, Nevada

Which is the most polluted city in Connaught?

globe background

Connect With IQAir

Get exclusive articles, product updates, tips, and occasional offers delivered to your inbox. You can unsubscribe at any time.

View Privacy Policy

Privacy Policy© 2026 IQAir. All rights reserved